The Spider-to-Human Ratio

The true phenomena; Nature, has conditions. These conditions establish the rules of the ecosystem. The ecosystem is perpetuated by organic and inorganic factors. One factor is the populations of organisms.

RobertLovesPi.net

spider to human ratioSince I like spiders, I was pleased to read a rough estimate of 21 quadrillion for the world’s population of spiders (source:here).

The website http://www.worldometers.info/world-population/ gives the current human population as ~7.4 billion. Dividing the estimated spider population by the estimated human population yields Earth’s estimated spider-to-human ratio: 2.8 million.

Yes, your share approaches three million spiders. At least they are good at taking care of themselves!

[Source of the image of the spider above, an adult male phidippus audax: https://www.flickr.com/photos/opoterser/2989573241]

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